Year	% of GDP
1984	50.383281972265
1985	62.3755677078506
1986	58.2985197368421
1987	52.6291079812207
1988	57.2476159158172
1989	60.5705803219372
1990	59.5285465453842
1991	63.0083285948423
1992	58.4780317248117
1993	69.9984382669225
1994	69.1886202333694
1995	66.798521787489
1996	67.5786468338591
1997	71.2644317707609
1998	64.826567031006
1999	69.5298041332511
2000	38.0954058363306
2001	30.5782850250375
2002	20.8500577975725
2003	12.9589938235921
2004	3.94300400376825
2005	2.36787306961764
2006	-2.90554935861684
2007	-4.61505475566894
2008	-8.16584883166428
2009	-16.413370502779
2010	-21.3391306859334
2011	-27.9039025368018
2012	-14.9002914332583
2013	-12.7532465735132
2014	-4.12467708733911
2015	15.1252486796443
2016	28.1586254953692
2017	27.3549340792035
2018	18.7270703313075